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SKUOV00426-B64G
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PackageBGA
Compact Image Signal Processor for Medical Imaging Applications
The OV426 is a single chip solution for small medical image sensors like the OV6946 and OV6948. The OV426 provides an integrated analog-to-digital data conversion using a built-in A/D converter (ADC), black level calibration (BLC), AEC/AGC and a final digital video parallel output (DVP). The OV426 supports a standard SCCB interface to communicate with the system and manipulate the above mentioned functions.
During operation, the OV426 decodes the proprietary analog output from the OV6946 and digitizes it by an ADC. The generated digital signals will then be processed by a digital signal processor (DSP) and finally, standard DVP outputs are sent out.
Complete imaging front-end solution
400 x 400 at 30 fps
Support for the following ISP functions:
– ADC
– BLC
– AEC/AGC
– MWB
Analog input
Support for:
– SCCB control
– 10-bit DVP data output
– SPI master
Flexible input clock
External system clock or independent crystal; internal PLL
Low voltage operation
6 mm x 6 mm to fit into handle or at back-end, near ISP in medical endoscope and other video devices
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SpecOV426
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CategorySensor Bridge
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DescriptionSensor bridge ASIC for OV6946 and OV6948 to covert analog output to digital and provide basic ISP functions
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Input InterfaceAnalog
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Key FeaturesADC, Auto gain / auto exposure / manual white balance, black level calibration, Low Voltage, SCCB control
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Max Frame Rate400 x 400 @ 30 fps
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Output Interface10-bit DVP
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Package Dimensions6 x 6 mm
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Package Type64-pin BGA
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Sensor Resolution400 x 400
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Use CaseCatheters, Endoscopes, Wearables
